This depends on your case.  It is possible to go to prison for any felony, but whether you might go to prison depends on the crime, your past criminal history, and whether an agreement can be made with the prosecutor that will keep you out of prison.  Usually, a first felony offense gets probation, but some offenses are not “probation eligible.”  If you got arrested for a felony, you need to talk to a criminal defense lawyer right away.