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www.lenntech.com/periodic/water/silicon/silicon-and-water.htm

Silicon is the most abundant element on earth after oxygen.Large amounts of silicon can be found in various minerals and it is abundant in oceans and nearly all other waters as silicic acid. In the surface layers of oceans silicon concentrations are 30 ppb, whereas deeper water layers may contain 2 ppm silicon.

www.webelements.com/silicon/chemistry.html

Reaction of silicon with water. The surface of lumps of silicon is protected by a very thin layer of silicon dioxide, SiO 2. This renders silicon more or less inert to water and even steam. Reaction of silicon with the halogens. Silicon reacts vigorously with all the halogens to form silicon tetrahalides.

chemistry.stackexchange.com/questions/30801/why-does-free-silicon-react-with-water

Is there an explanation for the tendency of silicon compounds to react with water? Reaction with water, oxygen, etc., the answer is the same and has to do with the strength of the $\ce{Si-O}$ bond.Let's compare the following two reactions:

pilgaardelements.com/Silicon/Reactions.htm

Silicon does not react with water, even as steam, under normal conditions. Quantitative analysis. Method 4500-Si G Inductively Coupled Plasma Method [1]. A portion of the sample is digested in a combination of acids. The digest is aspirated into an 8,000 K argon plasma where resulting light emission is quantified for 30 elements simultaneously.

www.ifm.liu.se/.../Silicone-Chemistry-Overview-(Dow-Corning).pdf

Silicone Chemistry Overview 6 Catalyst removal (or neutralization) is always an important step in silicone preparation. Most catalysts used to prepare silicones can also catalyze the depolymerization (attack along the chain), particularly in the presence of water traces at elevated temperatures: cat (Me 2 SiO) n + H 2 O→ (Me 2 SiO) y H + HO ...

scitechdaily.com/silicon-nanoparticles-react-with-water-to-produce-hydrogen

Scientists at the University at Buffalo have created spherical silicon nanoparticles that react with water to form silicic acid and hydrogen, a potential source of energy for fuel cells. Buffalo, New York — Super-small particles of silicon react with water to produce hydrogen almost instantaneous

en.wikipedia.org/wiki/Silicon_tetrachloride

In rare occurrences, the silicon dioxide in silica is converted to silicon tetrachloride when the contaminated brine is electrolyzed. Reactions Hydrolysis and related reactions. Like other chlorosilanes, silicon tetrachloride reacts readily with water: SiCl 4 + 2 H 2 O → SiO 2 + 4 HCl

en.wikipedia.org/wiki/Silicon_dioxide

Silicon dioxide acts as a Lux–Flood acid, being able to react with bases under certain conditions. As it does not contain any hydrogen, it cannot act as a Brønsted–Lowry acid. While not soluble in water, some strong bases will react with glass and have to be stored in plastic bottles as a result.

www.sciencedirect.com/science/article/pii/0016703780902203

where (A M) = (the relative interfacial area between the solid and aqueous phases/the relative mass of water in the system), and k + and k − are the rate constants for, respectively, dissolution and precipitation.The rate constant for precipitation of all silica phases is log k − = − 0.707 − 2598 T (T, K) and E act for this reaction is 49.8 kJ mol −1.