Question 1 What happens when potassium react with water? Question 2 What happens when sodium react with water? Question 3 What happens when aluminium react with water? Question 4 What happens when zinc react with water? Reaction of Metals with Water Metals react with water to form hydroxide, hydrogen gas and heat is evolved. 2K +2H2O ----------> 2KOH + H2 +heat … [Read more...] about Reaction of Metals with Water