For moderate misbehaviors, they will be asked to be respectful. If they refuse, they will be banned.
For severe misbehaviors, they will be instantly banned.
However, I need to point out that moderation abilities on kbin are positively primative, as kbin is very new and that side of it has not been flushed out yet. So I'm hoping that by the time activity gets up to speed, the moderator capabilities do as well.
But here as well as on Reddit, the key is having members report improper behavior so that moderators are aware of the issue.