What does a it mean if a chemical reaction does not occur?

Answer 1

If a chemical reaction does not occur it means that the reactants are not changing their initial forms. This is often the result of the reactants solubility or lack there of, charges, and state.

Answer 2

If a chemical reaction does not occur, it means that the reactants did not transform into products due to not meeting the necessary activation energy, incorrect stoichiometry, or unfavorable reaction conditions. The reaction may be reversible or require a catalyst to proceed.