Answer
(a): $Mg(OH)_{2} + 2HF → MgF_{2} + 2H_{2}O$
(b): $NaOH + HCl → NaCl + H_{2}O$
(c): $Sr(OH)_{2}+ H_{2}SO_{4} → SrSO_{4} + 2H_{2}O$
Work Step by Step
These are neutralization reactions in which the acid and base react to form a salt and water.