This substance absorbs and combines with water very greedily, at the same time becoming very hot, and falling into a fine dry powder,' calcium hydroxide or slaked lime, which when left in the open slowly combines with the carbon dioxide of the air and becomes calcium carbonate, from which we began.
A basic nitrate, Ca(NO 3)2 Ca(OH) 2.3H 2 0, is obtained by dissolving calcium hydroxide in a solution of the normal nitrate.
On cooling this calcium oxide will take up water to form calcium hydroxide.
Recently, packing the abscess cavity with calcium hydroxide has been recommended.
Some strong bases like calcium hydroxide aren't very soluble in water.