Vinegar is acidic, and acids can dissolve some types of candy. White vinegar is the most effective for dissolving candy, because it has a higher acidity than other vinegars like apple cider vinegar.

However, it's important to note that:

* Not all candies dissolve in vinegar. Hard candies and gummies are more resistant to vinegar than softer candies like marshmallows or gummy bears.

* The rate of dissolving depends on the candy's composition. Candies with a high sugar content will dissolve faster than candies with more complex ingredients.

* Vinegar won't dissolve all of the candy. The candy might soften and become gooey, but there will likely be some solid pieces remaining.

Here's a simple experiment to try:

1. Materials: White vinegar, candy (choose a few different types), a bowl, and a spoon.

2. Procedure: Place a small piece of candy in the vinegar and let it sit for a few minutes. Observe what happens. Try different types of candy to see which dissolve faster.

Note: This is a fun experiment, but it's best to avoid consuming the candy after it's been soaked in vinegar, as the taste and texture might be unpleasant.