A metal M readily forms water soluble sulphate, and water insoluble hydroxide `M(OH)_(2)`. Its oxide
Channel: Doubtnut
Date: 2020-05-03

A metal M readily forms water soluble sulphate, and water insoluble hydroxide `M(OH)_(2)`. Its oxide MO is amphoteric, hard and having high melting point. The alkaline earth metal M must be :