The common name for calcium hydroxide is slaked lime. Calcium hydroxide, a white powder, is created by mixing water with lime and is poisonous if swallowed, according to MedlinePlus, a service of the U.S. National Library of Medicine.
Examples of products containing calcium hydroxide include cement, industrial solvents and cleaners. It can also be found in many construction products, such as flooring strippers and brick cleaners. Other names for calcium hydroxide include caustic lime and lime milk. If calcium hydroxide gets in a person's eyes or on the skin, protocol is to flush or wash with water for 15 minutes. When caustic lime swallowed, water or milk should immediately be ingested unless the person is vomiting, having convulsions or is showing signs of decreased alertness and inability to swallow.