Certified GKH Gardening Expert
You can root pieces of the plant in, both, soil or water. It can also help to add a little drop of honey, and/or a crushed aspirin tab to the water. These are both very beneficial rooting agents.
This article will give you more information on the care of these after rooting: https://www.gardeningknowhow.com/ornamental/vines/candy-corn-plant/growing-candy-corn-vines.htm