You can see this when you edit the course. Go to the edit form of the course and click the Revision tab. There you will see a list of revisions you have made to the course and in the Status column you will see its moderation state. If it says 'in draft/pending publication' then a moderator has the course in his moderation queue but has not yet been able to review it. Your course should be reviewed shortly. Please allow for up to one business day for the review to go through.