The hydroxide of alkaline earth metal, which has the lowest value of solubility product `(K_(sp))` at normal temperature `(25^(@)C)` is :

Options

A. `Mg(OH)_(2)`
B. `Ca(OH)_(2)`
C. `Ba(OH)_(2)`
D. `Be(OH)_(2)`

Answer

D

Explanation

`Be(OH)_(2)` has lowest solubility and hence lowest solubility product