What is obtained when a metal oxide of the highly reactive metals react with water?

metal oxide +water

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metal hydroxide + heat energy

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metal hydroxide

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metal oxide

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Solution

The correct option is B metal hydroxide + heat energy
Metal oxide reacts with water to form metal hydroxide along with the evolution of heat energy.
For example: ${N a}_{2} O + H_{2} O \to 2 N a O H + h e a t$

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When do metals form there oxide or hydroxide when reacted with water?

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