No. It requires an energy input (the activation energy) before it can proceed. For some reactions the energy needed can be as low as simply heat from the room and others need thousands of Watts of electrical power.
exothermic reaction
Exothermic Reaction
spontaneous
A waterfall is not a chemical reaction.
Exergonic
Neutralisation reaction.
synthesis reaction
synthesis reaction
You mean, "How do you ask a question"? It kind of explains itself once you get started.
A chemical reaction.
Its irreversible and an oxidising reaction
exothermic
double-displacement reaction.
A waterfall is not a chemical reaction.
Exergonic
Hydrolysis Reaction
This is an endothermic reaction.
Photosynthesis is a Endergonic/Endothermic reaction.
A synthesis reaction
An acid-base reaction that leaves no excess H+ or OH-