Question

is Ca(OH)2 an alkali? why?

Answer 1

yes Ca(OH)2 is a alkai

Answer 2

Answer:

An alkali is a base that dissolves in water. A solution of a soluble base has a pH greater than 7.0.

Generally the Hydroxide of alkali earth metals and alkaline earth metals are soluble in water so they are alkaline in nature.

Ca(OH)2 is a base which is soluble in water hence it is alkaline in nature or it solution forms alkali.

Hope it helps you...