I would use "soon" for a future action: "I will do my homework soon." As for "very recently" I would use this in a past action: "I very recently did my homework." Hope this helped.

both are adverb soon mean;not long after now1=please come here very soon 2=good bye see you soon recently mean ;not long a go1=we went to cinema recently .

you have explanation here: http://www.wordnik.com/words/soon, http://www.wordnik.com/words/recently