Before use, quicklime is hydrated (combined with water, slaking). Hydrated lime is also known as slaked lime, and is produced according to the reaction:
:{CaO} + \overset{water}{H2O} -> \overset{calcium~hydroxide}{Ca(OH)2}

Dry slaking is slaking quicklime with just enough water to hydrate the quicklime, but to keep it as a powder; it is referred to as hydrated lime. In wet slaking, a slight excess of water