Choose a metal out of the following which reacts with hot water but not with cold water : Sodium, Magnesium, Iron

CBSE Class 10 CBSE Class 10 Science
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1

Choose a metal out of the following which reacts with hot water but not with cold water, Sodium, Magnesium, Iron.
Mention the products formed during the reaction.

2

Metals which react with hot water but not with cold water is Magnesium. When Magnesium (Mg) reacts with hot water, Magnesium hydroxide and hydrogen is formed. The reaction is given below:
Mg(s) + 2H2O(Z) → Mg (OH)2 + H2