Q.
$Be_2C +H_2O \rightarrow BeO +X$
$CaC_2 + H_2O \rightarrow Ca(OH)_2 + Y$
$Mg_2C_3 + H_2O \rightarrow Mg(OH)_2 + Z$
$X, Y$ and $Z$ are respectively
The s-Block Elements
Solution: