This can be done with a combination of transform snapping and 3D cursor snapping.

1. Snap the cursor the the point vertex by selecting it in edit mode (<kbd>&#8633; Tab</kbd>) and pressing <kbd>&#8679; Shift</kbd><kbd>S</kbd>*> Cursor to selected*:

 ![enter image description here][1]

2. Set the pivot point to *3D cursor* (<kbd>.</kbd>)

3. Set the *snap element* to *vertex* and the *snap target* to *Center* in *3D view > Header*:

 ![enter image description here][2]

4. In object mode, grab the pointer object and move it over the target vertex while holding <kbd>&#9096; Ctrl</kbd>:

 ![enter image description here][3]

 
 
 


  [1]: https://i.sstatic.net/WsbqG.png
  [2]: https://i.sstatic.net/tVA4g.png
  [3]: https://i.sstatic.net/BgsHO.gif