Answer
It will cause the reaction to shift right.
Work Step by Step
Oxygen is a gaseous reactant. In order to compensate for the increase in concentration of $O_2$, the reaction will shift right towards the products.
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.