Yes drinking apple cider vinegar can make you poop.
Apple Cider Vinegar makes you poop because it aids in your digestion and digestive health and you have better digestion when drinking apple cider vinegar.
Drinking apple cider vinegar can also help keep your colon clean which is also good for keeping you from developing constipation.
To prevent constipation drink some apple cider vinegar and make sure to drink plenty of water to stay hydrated as well.
Eating fiber based foods such as bread, oatmeal, bananas, apples, pears, prunes, etc can all help you poop as well.
Drinking enough prune juice can make you poop soon or even eating prunes or other fiber based foods.
Taking castor oil also helps get your bowels moving as well but it's pretty gross.
Sometimes when you have severe constipation you may need to use an enema which you can buy in some stores and online.