Question

a compound with water give hissing sound and become very hot is it.​

Answer 1

Answer:

When Calcium oxide reacts with water, leads to the formation of calcium hydroxide, due to this, a lot of energy is liberated in this reaction, and this energy liberates in the form of boiling water that causes the hissing sound, a high amount of energy loss makes this reaction exothermic.

Answer 2

Answer:

When Calcium oxide reacts with water, leads to the formation of calcium hydroxide, due to this, a lot of energy is liberated in this reaction, and this energy liberates in the form of boiling water that causes the hissing sound, a high amount of energy loss makes this reaction exothermic.

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