Question

What is the difference between the terms hydrolysis and hydration?

Answer 1

Hydrolysis is the reaction of salt and water to form acidic or basic solution.
$AcONa+H_{2}O\to AcOH+NaOH$

Hydration is the addition of water to ions or molecules.
$CuS{O}_4+5H_{2}O\to CuS{O}_4.5H_{2}O$