Answer
This is an exothermic reaction.
Work Step by Step
The prefix: $exo$ means "out". Therefore, during this type of reaction, a certain quantity of thermal energy (measured in J or kJ) is released.
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.