Question

"To pour water on calcium oxide."Which is another way to classify this reaction ? Explain.

Answer 1

when water is added to calcium oxide(quicklime)it will be converted to calcium hydroxide (slaked lime)with the liberation of enormous amount of heat.

CaO + H2O(water) = Ca(OH)2+heat

It is an exothermic reaction
Calcium hydroxide is an alkali.


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Answer 2

HERE IS UR ANS......
1. It is a combination reaction where calcium oxide is combined with water to form calcium hydroxide.
CaO + H2O ――> Ca(OH)2
2. It is also an exothermic reaction as a lot of heat is produced in such a reaction.