Answer
Please see the work below.
Work Step by Step
$P_{4}O_{10} + 6 H_{2}O → 4 H_{3}PO_{4}$
Diphosphorus pentoxide reacts with water to form Phosphoric acid.
$N_{2}O_{5} + H_{2}O → 2 HNO_{3}$
Nitrogen pentoxide reacts with water to form Nitric acid.
$Na_{2}O + H_{2}O → 2 NaOH$
Sodium oxide reacts with water to form Sodium hydroxide
$BaO + H_{2}O → Ba(OH)_{2} $
Barium oxide reacts with water to form Barium hydroxide
$SO_{3} + H_{2}O → H_{2}SO_{4} $
Sulfur trioxide reacts with water to form Sulfuric acid.