Areaction requires water as a reactant and produces heat. what type of reaction is likely to be involved?

decomposition reaction

Explanation:

Chemical reaction is the process that involves the transformation of chemical elements or compounds into one, two or more products.

There are many types of chemical reaction and few are: combination reactions, displacement Reaction, reduction-oxidation Reaction, decomposition Reaction and so on.

But in this question; the Chemical Reaction involved is a decomposition reaction. Decomposition reaction is a chemical reaction that involves the breaking of one substance to simpler substances.

THINGS TO NOTE: (1). the reaction require water as a reactants. A popular reaction that requires water as a reactants is the electrolysis of water.

(2). The reaction produces heat. Normally, a decomposition Reaction is an endothermic reaction, but at some cases it changes to exothermic because of some conditions e.g the atmospheric condition.

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particle   p is an electron and particle q is a neutron